By "solution" it means a course of action that, once carried out, brings about some desired state of affairs. The use of engineer in this context is as a verb meaning "to arrange or bring about through skillful, artful contrivance."
Answer:
from solid to liquid, most in ice
Explanation:
when ice changed from solid to liquid, it volume increases
I can't make sense of this question. Julie's throwing the ball, so it's leaving her rather than arriving at her ???
We have to wonder what substance you're working with. Under normal, human environmental conditions, there are almost no substances that freeze and boil at the same temperature.
However, EVERY substance has SOME temperature, at some pressure, at which it "sublimes" ... passing directly from solid to gas, or from gas to solid, without existing in liquid form in between. Even water does that, if the conditions are right.